When I get bored at the drugstore, I buy gimmicky stuff I don’t need. That’s how I finally discovered liquid bandage, which it turns out I do need, because it’s great for small cuts, blisters and any ...

Take a stroll through the first-aid aisle in a drugstore. Among the dizzying selection of gauze and medical tape and the myriad colors, shapes, and materials of adhesive bandages, you will likely find ...